Join Date: Jul 2010
Location: Southern California
try watching the Horsemastership class on USEFNetwork.com. The vid is cut up in to segments, or you can watch the whole thing... which I believe is about 4 hours long. I learned how to practice shoulder in. Both at the trot and at the canter. I learned how to get the horse to work better at long and low. I learned allllllllll sorts of things that have given me more to do when I hack out. I agree that walk, trot, canter, walk, trot, canter can sometimes make you feel like your brain is melting... however, if you try some of the more interesting movements it will keep her mind engaged.
With all of that being said, I am going to agree with jumper12. I don't particularly agree with jumping your horse 3 to 4 times a week unless it is super small and super simple to just keep her fitness up.
Another quick idea might be to try ground training. Maybe some ground driving or bitting up. You might be surprised how your relationship with your horse, as well as her interest in what she's being taught, changes when it's being communicated/received on the ground.
Life seems mighty precious, when there's less of it to waste.